Roohani Taaqat (1991)

A powerful tantrik (occult practitioner) living on the outskirts of a village holds sway over a demon that he, after being requested by various villagers, invokes to kill their enemies. A woman, whose husband is killed by the demon, vows to take revenge by killing the demon and undertakes the study of occult practices. Meanwhile, the other villagers make a vow to never request the tantrik to invoke the murderous demon. Years later a group of city slicker come to the village on holiday. A couple of them rape and kill a village belle and her anger-blinded lover, who holds the entire group responsible, rushes to the tantrik and invokes the demon. Do the innocent city slickers survive? Does the widowed female tantrik get her revenge on the demon? The rest of the film resolves these issues.